The selection committee will make its final choices for the Hall of Fame on Feb. 2 in New Orleans.
Allen isn't alone among former Cowboys' players eligible for the Hall of Fame. Pass-rusher Charles Haley, in his ninth year of eligibility, has also been named a finalist. Former Cowboys coach Bill Parcells is a finalists as well.
Along with the 15 modern-era finalists are two senior nominees in former Kansas City Chiefs and Houston Oilers defensive tackle Curley Culp and former Green Bay Packers and Washington Redskins linebacker Dave Robinson.